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| Number | Title | Issue Date |
| 7044047 | Cylinder mounted stroke control A series of thin shims with concave profiles matching the cylinder rod is supported from the cylinder. A carrier mechanism attached to either the rod end or cylinder barrel supports a plurality of shims that can be pivoted between storage positions and stop position... | 05/16/2006 |
| 7033149 | Medium pump adapted for ease of disassembly and assembly A medium pump for a motor includes a pump case with a pump cylinder and a pump piston positioned displacaebly in the pump cylinder in the direction of a pump axle. The pump piston rotates about the pump axle by running off an oblique control surface and realizes axi... | 04/25/2006 |
| 6651546 | Multi-stroke cylinder A multi-stroke air cylinder providing a precisely directed and controlled stroke in the face of lateral, torsional and tilting loads on a tooling plate. The multi-stroke cylinder utilizes a plurality of mechanically linked pneumatic or hydraulic pistons h... | 11/25/2003 |
| 6408740 | Three position cylinder A three position cylinder assembly having an outer cylinder connected between two bases defining a cap end and a head end. A stationary tubular member is secured to the cap end of the outer cylinder at a port to provide fluid access into the outer cylinde... | 06/25/2002 |
| 6343537 | Dual stroke cylinder A piston 14 for sliding in a cylinder 12, a rod 16 of the piston 14, and a sleeve 15 fitted over the rod 16 and passing through a rod hole 13 of the cylinder are provided. A lock portion 18 is provided to an outer periphery of a tip end portion of the rod... | 02/05/2002 |
| 6085884 | Actuating element for a clutch actuated by pressure medium An actuating element for a clutch includes a stop which is adjustable by an automatic adjusting device for ensuring that the actuating stroke of a piston increases in the releasing direction of the clutch and that the actuating stroke is displaced away fr... | 07/11/2000 |
| 5383714 | Vehicle having dump bed A vehicle is provided with a dump bed which can be pivoted from a horizontal orientation to a fully upright position to facilitate loading of material onto the dump bed and unloading material therefrom. A hydraulic or other type cylinder is used to raise ... | 01/24/1995 |
| 5381662 | Hand-held bleeder stroke tool A hand-held bleeder stroke tool for bleeding gas from a cylinder/piston assembly, such as a vehicle master brake cylinder assembly. The present invention utilizes a rod with a push member at one end of the rod. The push member is generally spherical and c... | 01/17/1995 |
| 5193430 | Air cylinder with intermediate mechanical dead-stop Presented is an air cylinder apparatus including a control mechanism that is operable to interject mechanical dead-stops to control the linear translation of the piston of the air cylinder to predetermined increments of travel.... | 03/16/1993 |
| 5191808 | Actuator end stop arrangement The arrangement comprises a stop bar (1) formed from a cylindrical rod having a lengthwise slot therein. The stop bar (1) is secured to a fixed support within an actuator casing (7). A stop plate (15) is slidably secured in the slot and presents upper and... | 03/09/1993 |
| 5181468 | Pretensioned jack for controlling the operating pressure between two rotary cylinders A device for controlling the operating pressure between the two rotary cylinders in a machine used for processing layers such as webs, ink films, or the like for instance on an offset printing machine. The device includes a pneumatic jack having an outlet... | 01/26/1993 |
| 5133245 | Continuously adjustable stroke limiter for hydraulic positioner The stroke length in a positioner of the type having a piston rod movable through a cylinder can be preset through a continuous range of adjustment. A first detent element provided at the end of the cylinder engages another detent element positionable alo... | 07/28/1992 |
| 5067531 | Bench top container filler A bench top volumetric container filler is provided and consists of a mechanism to pump a predetermined amount of fluid from a reservoir into a container by using a volumetric piston pump operated by a vertical pump driving cylinder.... | 11/26/1991 |
| 5050782 | Measured volume liquid dispenser having a rotatable plunger with a radial projection for selectively engaging one of a plurality of axial channels formed in the pump cylinder A liquid dispenser includes a plunger and an elongate barrel having a cylindrical bore which receives the plunger. The plunger includes an axial passage which delivers a volume of liquid as the plunger is depressed downwardly into the barrel. The volume o... | 09/24/1991 |
| 5036751 | Process of precisely adjusting the lost travel of at least one piston in a master cylinder A process for the precise adjustment of the lost travel of a piston in a master cylinder. Master cylinders typically include a number of components in spatial series arrangement, with all components having individual tolerances. The individual tolerances ... | 08/06/1991 |
| 4957193 | Actuating cylinder having mechanical advantage An actuating cylinder having a fluid pressure operated piston member connected by a friction member to a push rod to which a brake shoe, or the like, may be attached as the output member. A force transfer lever is arranged between the piston and push rod ... | 09/18/1990 |
| 4867355 | Self-contained cartridge means A self-contained cartridge for transporting and dispensing liquid chemicals. The cartridge includes a hollow body member open at the upper end and divided into a lower closed tank for holding liquid chemicals and an upper open end compartment. A pump is p... | 09/19/1989 |
| 4821624 | Stroke limiter for hydraulic cylinder A stroke limiter for a hydraulic cylinder comprises two sleeve portions each having a channel located therein that are frictionally mounted to the piston rod adjacent to the piston. An elongated contactor is slidably received in each of the channels. The ... | 04/18/1989 |
| 4815359 | Compact brake piston return mechanism The brake piston return mechanism (10) comprises a housing (22) which includes housing part (50) that forms with the housing a chamber (59) and an axially extending groove (55). Disposed within the axially extending groove (55) and forming a movable porti... | 03/28/1989 |
| 4797073 | Pump with rotating and reciprocating piston A plunger pump has a plunger adapted to slide in the axial direction and rotate by a combination of worm and worm wheel. A cylindrical pump body has an axial extension at one free end through which a control pin extends upwardly at a right angle relative ... | 01/10/1989 |
| 4766803 | Variable stroke hydraulic cylinder control linkage A control linkage for varying the length of stroke of a hydraulic cylinder is disclosed wherein a slide member is telescopically received within a bracket member, one of these members being connected to the extension end of the hydraulic cylinder while th... | 08/30/1988 |
| 4686870 | Position incrementer Apparatus utilized in combination with a carriage reciprocating between a primary base position and a second position spaced away from the primary base position. The apparatus varies the distance of the second position of the carriage from the primary bas... | 08/18/1987 |
| 4664298 | Dual mode grease gun A hand lever operated grease gun that has both high pressure and high volume modes by changing the mechanical advantage of the lever acting on a dispensing piston. A spring biased pivotal connection between the lever and a forwardly mounted supporting lin... | 05/12/1987 |
| 4655690 | Bellows pump having adjustable stop cam for varying the stroke A bellows pump with the improvement of an adjustable index for uniformly controlling the amount of fluid displaced in each expansion and compression cycle.... | 04/07/1987 |
| 4621566 | Electric pump An electrically operated injection pump having an eccentrically mounted cam for reciprocating a spring-biased plunger, said plunger causing the receiving of injection fluid during intake stroke, and the ejection of such fluid during the exhaust stroke.... | 11/11/1986 |
| 4526294 | Dispenser for dispensing liquids in controlled quantities from a bottle A dispenser for dispensing controlled quantities of liquid from a bottle includes a piston, which is movable in a cylinder and serves to suck and discharge an adjustable quantity of liquid. The cylinder is secured to a valve block, which contains a suctio... | 07/02/1985 |
| 4485768 | Scotch yoke engine with variable stroke and compression ratio A yoke type engine wherein the orbital path of the slider is alterable to effect piston stroke and compression ratio changes. A crank component has a crankpin which carries and positions the slider. A boss of the crank component is carried by a control sh... | 12/04/1984 |
| 4284261 | Stroke adjustment for vacuum motor A vacuum motor for controlling a carburetor choke valve in which the stroke of the motor is limited to a predetermined length for a predetermined period of time after which the length of stroke is increased a predetermined amount.... | 08/18/1981 |
| 4245966 | Reciprocating piston device with changeable stroke length In a device such as a refrigerant compressor provided with a reciprocating piston having a stroke length which can be changed from one value to another in accordance with the direction of rotation of the crankshaft driving a connecting rod, there is provi... | 01/20/1981 |
| 4167896 | Pump for auger treater A positive displacement pump for metering liquid chemicals and applying such chemicals into grains such as seed being conveyed through a screw conveyor, the pump including a reciprocating rod operated by an eccentric cam on the screw conveyor shaft, the p... | 09/18/1979 |
| 4091969 | Container filling machine with adjustable dispensing cylinder The upper edge of a cup-shape flexible diaphragm in the lower part of a vertical dispensing cylinder is sealed to the side of the cylinder, with the bottom of the diaphragm engageable with the bottom of the cylinder around an inlet and outlet port to clos... | 05/30/1978 |
| 4072087 | Digital positioner for remote actuation of a control valve A digital positioner for remote actuation of a control valve includes a double-acting actuating piston connected to the control valve and a plurality of fluid-responsive stop means disposed to either side of the actuating piston. A plurality of remotely c... | 02/07/1978 |
| 4043709 | Adjustable stop assembly In a liquid product measuring pump driven by an air motor having air valve controls for reversing the reciprocating motion of the air motor at the end of the stroke for controlling the liquid product measuring, an adjustable stop assembly including a quic... | 08/23/1977 |
